020-100

Which of the following is a network address used to identify devices in layer three of the OSI model?A . TCP port numberB . DNS addressC . MAC addressD . IP addressView AnswerAnswer: D

What is a common function of adware?A . Encrypting data on a systemB . Stealing sensitive informationC . Displaying unwanted advertisementsD . Providing remote access to a systemView AnswerAnswer: C

Which of the following backup types only copies data that has changed since the last backup, regardless of which type of backup it was last performed?A . Full backupB . Incremental backupC . Differential backupD . Synthetic backupView AnswerAnswer: B

Which term describes the ability to prove that a specific individual or entity performed an action, such as sending a message or conducting a transaction?A . Non-repudiationB . ConfidentialityC . AvailabilityD . IntegrityView AnswerAnswer: A

Which of the following is used to verify the identity of a website?A . X.509 digital certificateB . SSL/TLSC . Certificate Signing Request (CSR)D . Diffie-Hellman key exchangeView AnswerAnswer: A

Which of the following is the role of OpenPGP key servers?A . OpenPGP key servers manage email communications.B . OpenPGP key servers are only used with Mozilla Thunderbird.C . OpenPGP key servers provide antivirus protection for email communications.D . They allow users to store and retrieve public keys associated with...

Which of the following encryption methods is used for email encryption and requires the use of a public key and a private key pair?A . Certificate AuthorityB . S/MIMEC . OpenPGPD . SMTP STARTTLSView AnswerAnswer: C

What is the purpose of The Onion Router (TOR) network?A . Anonymity and PrivacyB . Network MonitoringC . Data StorageD . Speed OptimizationView AnswerAnswer: A

What is OpenPGP?A . An email client for encryption and signing messages.B . An open-source implementation of the S/MIME standard.C . An open standard for email encryption and signing using public key cryptography.D . A certificate authority (CA) for S/MIME encryption.View AnswerAnswer: C

Which of the following is a security implication of shared access to data in the cloud?A . Increased risk of unauthorized access to dataB . Improved data securityC . Improved data accessibilityD . Decreased risk of data lossView AnswerAnswer: A